Reserve bomber crew participates in first nuclear exercise
U.S. Air Force Senior Airman Lucas Guthrie and Airman 1st Class Jacob Ranum, 2nd Aircraft Maintenance Squadron crew chiefs, prepare to marshal a B-52H Stratofortress prior to a sortie, April 19, 2013, Barksdale Air Force Base, La. The aircraft is participating in a nuclear exercise at Minot AFB, N.D., and is piloted by aircrew assigned to the 343rd Bomb Squadron at Barksdale. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)

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Photo by: Master Sgt. Greg SteeleReleased |  VIRIN: 130419-F-PF761-237.JPG